Onyx Slots Sister Site
Onyx Slots, a online casino hosted by the Grace Media Limited platform, operates alongside several other sister sites.
Siter Sites hosted by Grace Media Limited
Hotstreak Casino
Deposit £20 & Get 100 No Wager Free Spins
Is Licensed By: UKGC
terms and conditions
First deposit only. Min deposit £20. Min wager £20 on slots. Max 100 free spins. Max one claim. Spin credited within 7 days after deposit. Spins valid on Big Bass Splash. Spin Value 10p . Full T&Cs Apply 18+
PlayUK Casino
Welcome Bonus up to £100
Is Licensed By: UKGC
terms and conditions
First deposit only. Min deposit £10. 100% Bonus Match on 1st deposit, max £100 bonus & 100 bonus spins on Starburst. 40x wagering (dep + bonus). 40x on spins, 4x conversion, bonus valid on selected slots. Full T's & C's Apply.
Vegas Wins Casino
Welcome Bonus up to £500
Is Licensed By: UKGC
terms and conditions
New players only, First 3 deposits only. Min deposit £10. Max total bonus £500 and 150 spins. 30x wagering (dep + bonus). 30x on spins, 4x conversion, bonus and spins valid on selected slots. T&C’s appl
Cosmic Spins Casino
100% up to £100 Welcome Bonus
Is Licensed By: UKGC
terms and conditions
First deposit only. Min deposit £10. 100% Bonus Match on 1st deposit, max £100 bonus; 100 bonus spins on Starburst. 40x wagering(dep+bonus). 40x on spins, 4x conversion, bonus valid on selected slots. Full T&Cs apply. #AD, 18+ only, begambleaware.org
Royale Lounge Casino
Bet £20 get 100 spins on John Hunter and The Book of Tut
Is Licensed By: UKGC
terms and conditions
First deposit only. Deposit & wager £20 on slots for 100 free spins. Max one claim per player. Spins valid on Big Bass Splash (10p each), credited within 7 days. Spins valid for 7 days. 18+. Full T&Cs apply
Lady Luckmore Casino
Bet £20 get 100 spins on John Hunter and The Book of Tut
Is Licensed By: UKGC
terms and conditions
First deposit only. Deposit & wager £20 on slots for 100 free spins. Max one claim per player. Spins valid on Big Bass Splash (10p each), credited within 7 days. Spins valid for 7 days. 18+. Full T&Cs apply
Breakdown of Onyx Slots
- Casino Name: Onyx Slots
- Launch Date: 2023
- Parent Company: Grace Media Limited
- Payment: Visa , Mastercard , Trustly , PayPal , Interac
- Software Providers: Netent , Playngo , Pragmatic , Microgaming , Redtiger , Irondog , Foxium
- Games: Slots , Live Casino , Slingo , Roulette
Current Promotion
Pros
- Wagering Free Free Welcome Bonus
- Top For Slots
- Fully Licensed
Video Slots featured at Onyx Slots as of September 2025
Butterfly Staxx
One of the most visually stunning slots, featuring sparkling-coloured reels and expressive symbols set in a glowing environment. It also delivers bursts of big payouts and jackpots, even on your mobile.
Butterfly Staxx Features:
- Free Spins
- Respins
- Wilds
- Scatter Symbols
- Volatility: Low
- Theme: Modern
- Release Date: 2017-01-09
- RTP (Return to Players): 96.80%
- Reels: 5
- Min Bet: 0.2£
- Max Bet: 400£ (in UK 5£)
- Provider: NetEnt
- Paylines: 40
Reactoonz
Reactoonz is an alien themed slot which uses a cascading reels where you can win again and again from each spin. With each win, you charge up the meters to randomly trigger 1 of 5 Quantum features!
Reactoonz Features:
- Free Spins
- Respins
- Autoplay
- Game Type: Cascade Slots
- Volatility: High
- Release Date: 2017-09-24
- RTP (Return to Players): 95%
- Reels: 7
- Min Bet: 50£
- Max Bet: 0.2£ (in UK 5£)
- Provider: Play'n GO
Wild Bazaar
What hidden treasures await in this vibrant Middle Eastern slot? Spin the reels and unlock the mystery of the blue or pink chest which one will reveal the biggest payouts?
Wild Bazaar Features:
- Respins
- Expanding Wild
- Sticky Symbols
- Wilds
- Multipliers
- Autoplay
- Theme: Modern
- Volatility: Low
- Release Date: 2018-10-24
- RTP (Return to Players): 96.15%
- Reels: 5
- Min Bet: 0.20£
- Max Bet: 400£ (in UK 5£)
- Provider: NetEnt
- Paylines: 26
Fin and The Dragon Tales
Spin with the dragons from just £0.20 a go. This isn’t your usual Fin slot — it’s fresh, modern, and perfect for new players chasing a bit of excitement.
Fin and The Dragon Tales Features:
- Buy Bonus Game
- Autoplay
- Wilds
- Multipliers
- Free Spins
- Theme: Modern
- Volatility: Medium
- Release Date: 2025-03-25
- RTP (Return to Players): 96.04%
- Reels: 7
- Min Bet: 0.2£
- Max Bet: 120£ (in UK 5£)
- Provider: NetEnt
- Paylines: fixed
Journey To Paris Slot
Journey To Paris Slot let players wager on 3 or more symbols combined horizontally or vertically on a 5 x 5 reel.
Journey To Paris Slot Features:
- Wilds
- Autoplay
- Multipliers
- Free Spins
- Theme: Modern
- Volatility: Medium
- Game Type: Avalanche
- Release Date: 2024-01-24
- RTP (Return to Players): 96.73%
- Reels: 5
- Min Bet: 0.2£
- Max Bet: 100£ (in UK 5£)
- Provider: Play'n GO
- Paylines: 1